Denver Plant 60 Clay Mines Metal/Non-Metal

General Shale Brick, Inc. · Surface

Controlled by Wienerberger AG

Lakewood, Jefferson County, CO · Intermittent

MSHA Mine ID: 0500215

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Compliance record

MSHA citations since 2000

citations

significant & substantial

$1,929

proposed penalties

$1,929

paid to date

Source: MSHA violations data, updated weekly.

Quarterly safety rates

Citations per million employee-hours, as reported to MSHA

Quarter	Hours worked	Per 1M hrs
2025 Q4	211	0.0
2025 Q3	16	0.0
2025 Q2	0
2025 Q1	0
2024 Q4	0
2024 Q3	0
2024 Q2	0
2024 Q1	0

Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No fatalities recorded at this mine.

1 on file

January 10, 2008 CO · Metal/Non-Metal laborer, blacksmith, bull gang, parts runner, roustabout, pick-up man, pitman OTHER

Robinson Brick Company · (Not Elsewhere Classified)

EE complained of chest and arm pain. Taken to hospital, EE still in hospital being treated for gallstones. Not related to mining actvity in any way.